- greenstones
- нефрит
Новый англо-русский словарь. 2013.
greenstones
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Pilbara craton — The Pilbara craton (the Pilbara province in northwest Western Australia), along with the Kaapvaal craton (the Kaapvaal province of South Africa) are the only remaining areas of pristine Archaean 3.6 2.7 Ga crust on Earth. Similarities of their… … Wikipedia
Greenstone belt — Greenstone belts are zones of variably metamorphosed mafic to ultramafic volcanic sequences with associated sedimentary rocks that occur within Archaean and Proterozoic cratons between granite and gneiss bodies. The name comes from the green hue… … Wikipedia
Precambrian time — Interval of geologic time from с 3. 8 billion years ago, the age of the oldest known rocks, to 544 million years ago, the beginning of the Cambrian Period. This interval represents more than 80% of the geologic record and thus provides important… … Universalium
Baltic Shield — The Baltic Shield (sometimes referred to as the Fennoscandian Shield) is located in Fennoscandia (Norway, Sweden and Finland), northwest Russia and under the Baltic Sea. The Baltic Shield is defined as the exposed Precambrian northwest segment of … Wikipedia
Yilgarn Craton — The Yilgarn Craton is a large craton which constitutes the bulk of the Western Australian land mass. It is bounded by a mixture of sedimentary basins and Proterozoic fold and thrust belts. Zircon grains in the Jack Hills, Narryer Gneiss Terrane… … Wikipedia
Costa Rican Jade Tradition — Jadeite is presumed one of the most precious materials of [Pre Columbian] Costa Rica. It, along with other similar looking greenstones ( ex. chalcedony, serpentine, and green jasper) were cherished and worked upon for years. It was used to… … Wikipedia
Costa Rican jade tradition — Jadeite is presumed one of the most precious materials of Pre Columbian Costa Rica. It, along with other similar looking greenstones ( ex. chalcedony, serpentine, and green jasper) were cherished and worked for years. Jadeite was used to decorate … Wikipedia
History of the Earth — For the history of modern humans, see History of the world. Geological time put in a diagram called a geological clock, showing the relative lengths of the eons of the Earth s history The history of the Earth describes the most important events… … Wikipedia
Guiana Shield — The Guiana Shield [The term Guiana or The Guianas is often used as a collective name for Guyana, Suriname and French Guiana, and sometimes even includes the portions of Colombia, Venezuela and Brazil which are on the Guiana Shield.] ( es.… … Wikipedia
Occidental Mindoro — Province Seal … Wikipedia
Mpumalanga — Eastern Transvaal redirects here. For the rugby team formerly known as Eastern Transvaal , see Falcons (rugby team). For the team formerly called South Eastern Transvaal representing Mpumalanga, see Pumas (rugby team). Mpumalanga… … Wikipedia
